Table 3

Predictors of fulminant onset COVID-19

Candidate predictorUnivariate modelMulti-variable model
Crude OR
(95% CI)
P valueAdjusted OR (95% CI)P value
Age
 50–60 years1.32 (1.00 to 1.75)0.041.20 (0.88 to 1.63)0.26
 60–70 years1.55 (1.19 to 2.02)0.0011.40 (1.03 to 1.90)0.03
 70–80 years1.88 (1.40 to 2.53)<0.0011.77 (1.26 to 2.50)0.001
 >80 years3.08 (2.06 to 4.60)<0.0012.76 (1.75 to 4.34)<0.001
Vaccination status
 Partial0.64 (0.43 to 1.07)0.030.67 (0.45 to 1.02)0.06
 Complete0.68 (0.49 to 0.95)0.020.61 (0.43 to 0.85)0.004
Others
 Male sex1.16 (0.95 to 1.42)0.141.10 (0.88 to 1.38)0.39
 Diabetes mellitus1.34 (1.11 to 1.61)0.0021.11 (0.89 to 1.38)0.35
 Hypertension1.55 (1.28 to 1.87)<0.0011.29 (1.03 to 1.61)0.03
 CKD2.40 (1.53 to 3.73)<0.0011.77 (0.99 to 3.15)0.05
 Dialysis1.68 (0.78 to 3.61)0.180.54 (0.17 to 1.72)0.30
 CAD1.52 (1.16 to 1.97)0.0021.25 (0.92 to 1.70)0.15
 COPD2.37 (0.91 to 6.16)0.081.70 (0.55 to 5.24)0.36
 Immuno-supressed4.22 (1.44 to 12.41)0.0095.62 (1.69 to 18.71)0.005
 Chronic smoking0.58 (0.21 to 1.56)0.28Excluded from multivariable model because of statistical insignificance (p>0.20 in univariate model)
 Bronchial asthma1.07 (0.65 to 1.74)0.80
 Vaccine type—Covaxin0.48 (0.27 to 0.83)0.009Excluded from multivariable model because of collinearity with vaccination status
 Vaccine type—Covishield0.73 (0.53 to 1.02)0.06
  • CAD, coronary artery disease; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease.